22426606644444 has 36 divisors (see below), whose sum is σ = 56723484943944. Its totient is φ = 7471051103712.

The previous prime is 22426606644419. The next prime is 22426606644509. The reversal of 22426606644444 is 44444660662422.

22426606644444 is a `hidden beast` number, since 2 + 2 + 4 + 26 + 606 + 6 + 4 + 4 + 4 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186791007 + ... + 186911030.

It is an arithmetic number, because the mean of its divisors is an integer number (1575652359554).

Almost surely, 2^{22426606644444} is an apocalyptic number.

It is an amenable number.

22426606644444 is an abundant number, since it is smaller than the sum of its proper divisors (34296878299500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22426606644444 is a wasteful number, since it uses less digits than its factorization.

22426606644444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373703714 (or 373703709 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 54.

The spelling of 22426606644444 in words is "twenty-two trillion, four hundred twenty-six billion, six hundred six million, six hundred forty-four thousand, four hundred forty-four".